Ultra-large library docking for discovering new chemotypes
Open accessAbstract
Despite intense interest in expanding chemical space, libraries containing hundreds-of-millions to billions of diverse molecules have remained inaccessible. Here we investigate structure-based docking of 170 million make-on-demand compounds from 130 well-characterized reactions. The resulting library is diverse, representing over 10.7 million scaffolds that are otherwise unavailable. For each compound in the library, docking against AmpC β-lactamase (AmpC) and the D 4 dopamine receptor were simulated. From the top-ranking molecules, 44 and 549 compounds were synthesized and tested for interactions with AmpC and the D 4 dopamine receptor, respectively. We found a phenolate inhibitor of AmpC, which revealed a group of inhibitors without known precedent. This molecule was optimized to 77 nM, which places it among the most potent non-covalent AmpC inhibitors known. Crystal structures of this and other AmpC inhibitors confirmed the docking predictions. Against the D 4 dopamine receptor, hit rates fell almost monotonically with docking score, and a hit-rate versus score curve predicted that the library contained 453,000 ligands for the D 4 dopamine receptor. Of 81 new chemotypes discovered, 30 showed submicromolar activity, including a 180-pM subtype-selective agonist of the D 4 dopamine receptor.
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The experimental data available for training molecular property prediction models is limited compared to the extremely diverse and combinatorially large universe of candidate molecules.
“However, the experimental data available for training such models is limited compared to the extremely diverse and combinatorially large universe of candidate molecules that we would want to make predictions on (Bohacek et al., 1996; Sterling and Irwin, 2015; Lyu et al., 2019; McCloskey et al., 2020).”
From WILDS: A Benchmark of in-the-Wild Distribution Shifts (2020) · cites this paper as Lyu et al., 2019
The Abstract states that possible drug-like molecules vastly outnumber those in early discovery libraries, and reports testing only a small selection from a 170-million-compound virtual library. This supports the scale contrast, but the paper does not establish that experimental data for training molecular property prediction models is limited. (LLM, conf=0.84)
Experimental — accuracy not yet measuredThe experimental data available for training models to predict biochemical properties is limited compared to the extremely diverse and combinatorially large universe of candidate molecules.
“However, the experimental data available for training such models is limited compared to the extremely diverse and combinatorially large universe of candidate molecules that we would want to make predictions on”
From WILDS: A Benchmark of in-the-Wild Distribution Shifts (2020) · cites this paper as Lyu et al., 2019
The Abstract (page not provided) says possible drug-like molecules vastly outnumber those in early discovery libraries, and the Expanding chemical space section describes a large, diverse virtual library. The paper does not establish that experimental data for training biochemical-property prediction models is limited relative to that universe. (LLM, conf=0.84)
Experimental — accuracy not yet measured
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“To sample curves from the posterior distribution given the prior distribution and given the results of testing the 549 compounds, we used Hamiltonian Monte Carlo with no-u-turn sampling with Stan 71 (four chains of 50,000 warm-up and 50,000 sampling steps each and adapt_delta = 0.99 and max_treedepth = 12 control para…”
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- Authors
- Lyu, J., Wang, S., Balius, T. E., Singh, I., Levit, A., Moroz, Y. S., O’Meara, M. J., Che, T., Algaa, E., Tolmachova, K., Tolmachev, A. A., Shoichet, B. K., Roth, B. L., & Irwin, J. J.
- Affiliations
- East China University of Science and Technology (CN)
- University of North Carolina at Chapel Hill (US)
- University of California, San Francisco (US)
- Taras Shevchenko National University of Kyiv (UA)
- Enamine (Ukraine) (UA)
- Corresponding author
- Shoichet, Brian K.
- Roth, Bryan L.
- Irwin, John J.
- ORCID
- Venue
- Nature
- Published
- 2019-02-06
- Volume
- 566
- Issue
- 7743
- Pages
- 224-229
- ISSN
- 0028-0836 (ISSN-L)
- 1476-4687
- PMC
- PMC6383769
- OpenAlex
- W2912171584
- Cited by
- 998
- References
- 6
- Citations by year
- 2026: 127 · 2025: 131 · 2024: 162 · 2023: 148 · 2022: 116 · 2021: 141 · 2020: 113 · 2019: 60
- FWCI
- 75.34
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Licence
- Locations
- Nature (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion)
- RePEc: Research Papers in Economics (submittedVersion)
- eScholarship (California Digital Library) (submittedVersion)
- UNC Libraries
- Funders
- National Institute of Mental Health (R01MH112205)
- National Cancer Institute (P30CA016086)
- National Institute of General Medical Sciences (R01GM071896, R35GM122481)
- National Institute of Diabetes and Digestive and Kidney Diseases (U24DK116195)
- National Institute of Neurological Disorders and Stroke (F31NS093917)
- Topics
- Physical Sciences › Computer Science › Computational Theory and Mathematics › Computational Drug Discovery Methods
- Physical Sciences › Chemistry › Organic Chemistry › Synthesis and Characterization of Heterocyclic Compounds
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chemical Synthesis and Analysis
- Keywords
- structure-based virtual screening, dopamine D4 receptor, chemical space expansion, non-covalent inhibitors, subtype-selective agonists
- MeSH terms
- Machine Learning, Bacterial Proteins, beta-Lactamases, Humans, Ligands, Crystallography, X-Ray, Dopamine Agonists, Observation, Receptors, Dopamine D4, Small Molecule Libraries, Molecular Docking Simulation, beta-Lactamase Inhibitors
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